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Always define localize func (#1830)

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Paulus Schoutsen 2018-10-22 20:31:43 +02:00 committed by GitHub
parent 3b1b2b95e7
commit 0fdd1c74f2
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1 changed files with 8 additions and 0 deletions
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8
src/mixins/lit-localize-mixin.ts
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@ -11,6 +11,8 @@ import {
LocalizeMixin, LocalizeMixin,
} from "./localize-base-mixin"; } from "./localize-base-mixin";
const empty = () => "";
export const HassLocalizeLitMixin = <T extends LitElement>( export const HassLocalizeLitMixin = <T extends LitElement>(
superClass: Constructor<T> superClass: Constructor<T>
): Constructor<T & LocalizeMixin> => ): Constructor<T & LocalizeMixin> =>
@ -26,6 +28,12 @@ export const HassLocalizeLitMixin = <T extends LitElement>(
}; };
} }
constructor() {
super();
// This will prevent undefined errors if called before connected to DOM.
this.localize = empty;
}
public connectedCallback(): void { public connectedCallback(): void {
super.connectedCallback(); super.connectedCallback();